Boucheron speculum
[医] 布谢龙氏耳镜
🧩 词语组成解析
n. 金属镜, 反射镜, 扩张器\\n[医] 窥器, 张开器; 透明隔; 翼斑, 翼镜(鸟)
🗣️ 情景例句
Is unable to express himself clearly.
不能很好地表达自己。
An occasion lost cannot be redeemed.
时机失了无法挽回。
but that was precisely the idea adopted in some of the early instruments (seismometers) for recording earthquake waves.
但是早期记录地震波的仪器（测震仪）正是采用了这种思路。